Home / 4,126.75-6,190.37-1,661.56

Finding the Fourth Proportional to 4,126.75, 6,190.37 and 1,661.56

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Solution

The fourth proportional to 4,126.75, 6,190.37 and 1,661.56 is: 2,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.75 : 6,190.37 = 1,661.56 : x
  2. Step 2: Convert to fraction form
    4,126.75/6,190.37 = 1,661.56/x
  3. Step 3: Cross multiply
    4,126.75x = 6,190.37 × 1,661.56
  4. Step 4: Simplify right side
    4,126.75x = 10,285,697.79
  5. Step 5: Solve for x
    x = 10,285,697.79/4,126.75
  6. Step 6: Final answer
    x = 2,492.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.